Home / 28,032,959.70-42,049,439.55-17,215,182.90

Finding the Fourth Proportional to 28,032,959.70, 42,049,439.55 and 17,215,182.90

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Solution

The fourth proportional to 28,032,959.70, 42,049,439.55 and 17,215,182.90 is: 25,822,774.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,032,959.70 : 42,049,439.55 = 17,215,182.90 : x
  2. Step 2: Convert to fraction form
    28,032,959.70/42,049,439.55 = 17,215,182.90/x
  3. Step 3: Cross multiply
    28,032,959.70x = 42,049,439.55 × 17,215,182.90
  4. Step 4: Simplify right side
    28,032,959.70x = 723,888,792,695,743.62
  5. Step 5: Solve for x
    x = 723,888,792,695,743.62/28,032,959.70
  6. Step 6: Final answer
    x = 25,822,774.35

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.